1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Sonja [21]
3 years ago
12

The sum of two numbers is 67 and the difference is 13 . What are the numbers?

Mathematics
1 answer:
svet-max [94.6K]3 years ago
3 0

Answer:

27 and 40

Step-by-step explanation:


You might be interested in
Indefinite integral need help pleaseeeeeee
tatiyna
Integrate indefinite integral:
I=\int\frac{dx}{e^{2x}+3e^x+2}dx

Solution:
1. use substitution u=e^x 
=>
du=e^xdx
=>
dx=\frac{du}{e^x}
=>
dx=\frac{du}{u}
=>
I=\int\frac{du}{u(u^2+3u+2)}du
=\int\frac{du}{u(u+2)(u+1)}du
2. decompose into partial fractions
\frac{1}{u(u+2)(u+1)}
=\frac{A}{u}+\frac{B}{u+2}+\frac{C}{u+1}
where A=1/2, B=1/2, C=-1
=\frac{1}{2u}+\frac{1}{2(u+2)}-\frac{1}{u+1}
3. Substitute partial fractions and continue
I=\int\frac{du}{2u}+\int\frac{du}{2(u+2)}-\int\frac{du}{u+1}
=\frac{log(u)}{2}+\frac{log(u+2)}{2}-log(u+1)}
4. back-substitute u=e^x
=\frac{log(e^x)}{2}+\frac{log(e^x+2)}{2}-log(e^x+1)}
=\frac{x}{2}+\frac{log(e^x+2)}{2}-log(e^x+1)}

Note: log(x) stands for natural log, and NOT log10(x)

7 0
3 years ago
Distributive property 54 divided by 8
const2013 [10]
(50÷8)+(4÷8) this is h answer
4 0
3 years ago
Joey bought a dozen oranges for $3.50 and several bananas for $0.25 each at the grocery store. Joey spent a total of $5.75 on th
blagie [28]

Answer:

9 bananas

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
The grandma of a 6-year-old is asking them 2x3 what is 2x3
Anton [14]

Answer:

The answer of 2 x 3 would be 6

Step-by-step explanation:

The reason why 2 x 3 or 2 times 3 would be six/6. Is because if you had 2 pairs of 3 items, you would get a total of 6 items. And if you had 3 pairs of 2 items, you would still have a total of 6 items.

7 0
2 years ago
Given segment AC and point B that lies on AC, if AB = 9 and BC= 49, find AC
Ipatiy [6.2K]

Answer:

58

Step-by-step explanation:

Let's draw this out (see attachment).

We know that since B lies on AC, we have the points in order from left to right: A, B, C.

AB = 9, which is the left portion. BC = 49, which is the right portion. Then AC is simply the sum:

AC = AB + BC = 9 + 49 = 58

The answer is thus 58.

<em>~ an aesthetics lover</em>

5 0
3 years ago
Other questions:
  • 400 Meters = How Many Yards?
    9·1 answer
  • There are 785 students in the senior class. If there are 77 more females in the class than males, how many male and female senio
    7·1 answer
  • Which equation has infinitely many solutions?
    7·2 answers
  • A student read a total of 72 books over the course of a year. Since there are 12 months in a year, how many books did the studen
    9·1 answer
  • In a class full of men and women, 2/9 of the class are women. What is the ratio of men to
    8·1 answer
  • Can someone explain this to me my teacher did not explain how to do these problems well.
    5·1 answer
  • A piece of manufacturing equipment valued at $125000 depreciates at a steady rate of 10% per year. What is the value of the equi
    6·1 answer
  • An engineer believes that there is a linear relationship between the thickness of an air filter and the amount of particulate ma
    7·1 answer
  • Y= 1/2x + 2 Solve please!
    8·1 answer
  • You are ordering shirts for the math club at your school. Short-sleeved shirts cost $10 each. Long-sleeved shirts cost $12 each.
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!